With more than 180 members, ESA represents a diverse group of companies, including independent power producers, electric utilities, energy service companies, financiers, insurers, law firms, installers, manufacturers, component suppliers and integrators involved in deploying energy storage systems around the globe. Interested in becoming a member?
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Leadership Circle Members

Able Grid
    Acciona Energy USA
      BlackRock Renewable Power
        Clearway Energy Group
          Con Edison Battery Storage
            Cypress Creek Renewables
              Doosan GridTech
                Duke
                  East Penn
                    EDF
                      EnCap Investments L.P.
                        Enel Green Power
                          Fluence
                            GE Renewable Energy
                              Google
                                Highview Power Storage
                                  Invenergy LLC
                                    Key Capture Energy
                                      LG Chem Ltd
                                        Lockheed Martin Energy
                                          LS Energy Solutions
                                            MAP Energy
                                              McCarthy Building Companies, Inc.
                                                Mortenson
                                                  National Grid
                                                    NEC
                                                      New York Power Authority (NYPA)
                                                        NextEra Energy, Inc.
                                                          PPL Corporation
                                                            RWE
                                                              Shell New Energies US
                                                                Stem Inc.
                                                                  Swinerton Renewable Energy
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                                                                      Full Members

                                                                      8Minute Solar Energy
                                                                        Agilitas Energy, LLC
                                                                          Ameresco, Inc.
                                                                            American Municipal Power, Inc
                                                                              American Transmission Company
                                                                                Argonne National Laboratory
                                                                                  Arizona Public Service
                                                                                    Ascend Analytics
                                                                                      Atwell Group
                                                                                        BayWa RE
                                                                                          Blymyer Engineers, Inc
                                                                                            Broad Reach Power
                                                                                              California Energy Commission
                                                                                                California Independent System Operator
                                                                                                  Call2Recycle, Inc.
                                                                                                    Catalyze
                                                                                                      Citizens Energy Corporation
                                                                                                        Clean Feet Investers I, LLC
                                                                                                          CleanCapital
                                                                                                            Cobra Instalaciones y Servicios
                                                                                                              Coffman Engineers
                                                                                                                ConnectGen LLC
                                                                                                                  Connexus Energy
                                                                                                                    Convergent Energy + Power
                                                                                                                      CSA Group
                                                                                                                        Customized Energy Solutions, LTD.
                                                                                                                        • Sponsorship Partner
                                                                                                                        Delorean Power LLC
                                                                                                                          DG Power LLC
                                                                                                                            Dimension Renewable Energy
                                                                                                                              DNV GL Energy
                                                                                                                                DTE Electric
                                                                                                                                • Policy Partner
                                                                                                                                Dynapower Company LLC
                                                                                                                                  e2comply, LLC.
                                                                                                                                    East Point Energy
                                                                                                                                      Ecoplexus
                                                                                                                                        EDP Renewables North America
                                                                                                                                          Energy Intelligence Partners
                                                                                                                                            Energy Storage Response Group
                                                                                                                                              Enertis Solar Inc
                                                                                                                                                ENGIE North America
                                                                                                                                                  Eos Energy Storage
                                                                                                                                                    EPC Power Corp
                                                                                                                                                      EPRI
                                                                                                                                                        Eskom Holdings SOC Limited
                                                                                                                                                          EsVolta LP
                                                                                                                                                            Eversheds Sutherland LLP
                                                                                                                                                              Eversource Energy
                                                                                                                                                              • Policy Partner
                                                                                                                                                              EVgo
                                                                                                                                                                Exelon Utilities
                                                                                                                                                                • Policy Partner
                                                                                                                                                                FastGrid
                                                                                                                                                                  FlexGen
                                                                                                                                                                    Forefront Power Development
                                                                                                                                                                      GlidePath Power Solutions
                                                                                                                                                                      • Policy Partner
                                                                                                                                                                      Gravity Storage Inc.
                                                                                                                                                                        Green Power EMC
                                                                                                                                                                          Hannon Armstrong
                                                                                                                                                                            Hecate Grid LLC
                                                                                                                                                                              Hydrostor
                                                                                                                                                                                Hyosung Corporation
                                                                                                                                                                                  IHI Energy Storage
                                                                                                                                                                                    Imperial Irrigation District
                                                                                                                                                                                      Intertek Testing Services, NA
                                                                                                                                                                                        IPS Solar
                                                                                                                                                                                          Jupiter Power LLC
                                                                                                                                                                                            K&L Gates
                                                                                                                                                                                              Kiewit
                                                                                                                                                                                                Kilpatrick Townsend & Stockton LLP
                                                                                                                                                                                                  Kirkland & Ellis LLP
                                                                                                                                                                                                    KORE Power
                                                                                                                                                                                                      LCEC
                                                                                                                                                                                                        LendLease Energy Development
                                                                                                                                                                                                          LevelTen Energy
                                                                                                                                                                                                            Leyline Renewable Capital
                                                                                                                                                                                                              Li-Ion Tamer
                                                                                                                                                                                                                Longitude 122 West
                                                                                                                                                                                                                  LS Power Development
                                                                                                                                                                                                                    Malta
                                                                                                                                                                                                                      Massachusetts Clean Energy Center (MassCEC)
                                                                                                                                                                                                                        Mitsubishi Electric Power Products, Inc.
                                                                                                                                                                                                                          NantEnergy
                                                                                                                                                                                                                            National Rural Electrical Cooperative Association
                                                                                                                                                                                                                              National Rural Utilities Cooperative Finance Corporation (CFC)
                                                                                                                                                                                                                                New England Battery Storage
                                                                                                                                                                                                                                  North American Development Bank
                                                                                                                                                                                                                                    NRStor C&I
                                                                                                                                                                                                                                      Oncor
                                                                                                                                                                                                                                        Open Road Renewables
                                                                                                                                                                                                                                          Oriden
                                                                                                                                                                                                                                            Origis Energy USA
                                                                                                                                                                                                                                              Orsted Energy Storage and Solar
                                                                                                                                                                                                                                                Pacific Gas and Electric Company
                                                                                                                                                                                                                                                  Pacific Northwest National Laboratory
                                                                                                                                                                                                                                                    Panasonic
                                                                                                                                                                                                                                                      Pattern Energy Group
                                                                                                                                                                                                                                                        Pierce Atwood LLP
                                                                                                                                                                                                                                                          Pine Gate Renewables
                                                                                                                                                                                                                                                            Powin Energy
                                                                                                                                                                                                                                                              Prisma Energy Solutions, LLC.
                                                                                                                                                                                                                                                                Rappahannock Electric Cooperative
                                                                                                                                                                                                                                                                  Recurrent Energy
                                                                                                                                                                                                                                                                    RES Group
                                                                                                                                                                                                                                                                      Roland Berger LLC
                                                                                                                                                                                                                                                                        Salt River Project
                                                                                                                                                                                                                                                                          SaltX Technology
                                                                                                                                                                                                                                                                            Sandia National Laboratories
                                                                                                                                                                                                                                                                              Savion, LLC
                                                                                                                                                                                                                                                                                Schneider Electric
                                                                                                                                                                                                                                                                                  Shaw Consulting
                                                                                                                                                                                                                                                                                    Siemens Gamesa
                                                                                                                                                                                                                                                                                      Sinexcel
                                                                                                                                                                                                                                                                                        SK Innovation
                                                                                                                                                                                                                                                                                          SMA - America
                                                                                                                                                                                                                                                                                            Southern Company
                                                                                                                                                                                                                                                                                            • Policy Partner
                                                                                                                                                                                                                                                                                            Standard Solar
                                                                                                                                                                                                                                                                                            • Policy Partner
                                                                                                                                                                                                                                                                                            Stantec
                                                                                                                                                                                                                                                                                              Sterling Municipal Light Company
                                                                                                                                                                                                                                                                                                StorEn Technologies Inc.
                                                                                                                                                                                                                                                                                                  Strata Solar
                                                                                                                                                                                                                                                                                                    Sungrow
                                                                                                                                                                                                                                                                                                      Sunnova
                                                                                                                                                                                                                                                                                                        Tennessee Valley Authority
                                                                                                                                                                                                                                                                                                          Trane
                                                                                                                                                                                                                                                                                                          • Policy Partner
                                                                                                                                                                                                                                                                                                          UL
                                                                                                                                                                                                                                                                                                            Viking Cold Solutions
                                                                                                                                                                                                                                                                                                              Vinson & Elkins LLP
                                                                                                                                                                                                                                                                                                                VRB Energy
                                                                                                                                                                                                                                                                                                                  Wärtsilä
                                                                                                                                                                                                                                                                                                                    WattsUp Power A/S
                                                                                                                                                                                                                                                                                                                      WEG Electric Corp
                                                                                                                                                                                                                                                                                                                        Wellhead Electric Company
                                                                                                                                                                                                                                                                                                                          Westwood Professional Services

                                                                                                                                                                                                                                                                                                                            Associate Members

                                                                                                                                                                                                                                                                                                                            Battery Council International
                                                                                                                                                                                                                                                                                                                            • Organizational
                                                                                                                                                                                                                                                                                                                            California Energy Storage Alliance
                                                                                                                                                                                                                                                                                                                            • Organizational
                                                                                                                                                                                                                                                                                                                            Consortium for Battery Innovation
                                                                                                                                                                                                                                                                                                                            • Organizational
                                                                                                                                                                                                                                                                                                                            Edison Electric Institute
                                                                                                                                                                                                                                                                                                                            • Organizational
                                                                                                                                                                                                                                                                                                                            Energy Storage Canada
                                                                                                                                                                                                                                                                                                                            • Organizational
                                                                                                                                                                                                                                                                                                                            North Carolina Sustainable Energy Association
                                                                                                                                                                                                                                                                                                                            • Organizational

                                                                                                                                                                                                                                                                                                                            Board Member

                                                                                                                                                                                                                                                                                                                            Ameresco, Inc.
                                                                                                                                                                                                                                                                                                                              Clearway Energy Group
                                                                                                                                                                                                                                                                                                                                Duke
                                                                                                                                                                                                                                                                                                                                  ENGIE North America
                                                                                                                                                                                                                                                                                                                                    Fluence
                                                                                                                                                                                                                                                                                                                                      GE Renewable Energy
                                                                                                                                                                                                                                                                                                                                        Highview Power Storage
                                                                                                                                                                                                                                                                                                                                          Key Capture Energy
                                                                                                                                                                                                                                                                                                                                            National Rural Utilities Cooperative Finance Corporation (CFC)
                                                                                                                                                                                                                                                                                                                                              NEC
                                                                                                                                                                                                                                                                                                                                                NextEra Energy, Inc.
                                                                                                                                                                                                                                                                                                                                                  Rappahannock Electric Cooperative
                                                                                                                                                                                                                                                                                                                                                    Roland Berger LLC
                                                                                                                                                                                                                                                                                                                                                      RWE
                                                                                                                                                                                                                                                                                                                                                        Shaw Consulting

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